Investment Rating - The industry investment rating is "Positive" [2] Core Insights - Duolingo's Q2 2025 results exceeded expectations with revenue of $252 million, surpassing the guidance of $243.5 to $246.5 million, and an adjusted EBITDA margin of 31.2%, exceeding the guidance of 24.5% to 25.5% [3] - Monthly Active Users (MAUs) grew by 24% year-over-year to 128 million, while Daily Active Users (DAUs) increased by 40% to 48 million, indicating strong user engagement [3] - The paid user base reached 10.9 million, a 36% increase year-over-year, with a paid penetration rate of 9%, up 0.4 percentage points year-over-year [3] - Revenue growth was robust at 41% year-over-year, with subscription revenue increasing by 46.4% [3] - The company raised its full-year revenue guidance to $1.011 to $1.019 billion, up from the previous guidance of $987 to $996 million [3] - The report emphasizes the potential for non-linear growth driven by AI applications in the education sector, recommending a focus on companies leading in educational AI agent development [3] Summary by Sections Revenue and Profitability - Duolingo achieved revenue of $252 million in Q2 2025, exceeding guidance [3] - Adjusted EBITDA margin reached 31.2%, surpassing previous expectations [3] User Engagement - MAUs reached 128 million, with a year-over-year growth of 24% [3] - DAUs increased to 48 million, reflecting a 40% year-over-year growth [3] - User stickiness improved, with DAUs/MAUs ratio at 37.2%, up 4.3 percentage points year-over-year [3] Paid User Metrics - Paid users grew to 10.9 million, a 36% increase year-over-year [3] - Paid penetration rate reached 9%, with a slight increase from the previous year [3] Future Outlook - Full-year revenue guidance was raised to $1.011 to $1.019 billion [3] - The report suggests focusing on companies at the forefront of educational AI development [3]